I could individualise you could individualise she could individualise we could individualise you could individualise they could individualise
V-ing form
I could be individualising you could be individualising she could be individualising we could be individualising you could be individualising they could be individualising
Perfect
I could have individualised you could have individualised she could have individualised we could have individualised you could have individualised they could have individualised
V-ing perfect
I could have been individualising you could have been individualising she could have been individualising we could have been individualising you could have been individualising they could have been individualising
Negation
Simple form
I couldn't individualise you couldn't individualise she couldn't individualise we couldn't individualise you couldn't individualise they couldn't individualise
V-ing form
I couldn't be individualising you couldn't be individualising she couldn't be individualising we couldn't be individualising you couldn't be individualising they couldn't be individualising
Perfect
I couldn't have individualised you couldn't have individualised she couldn't have individualised we couldn't have individualised you couldn't have individualised they couldn't have individualised
V-ing perfect
I couldn't have been individualising you couldn't have been individualising she couldn't have been individualising we couldn't have been individualising you couldn't have been individualising they couldn't have been individualising
Interrogative form
Simple form
could I individualise? could you individualise? could she individualise? could we individualise? could you individualise? could they individualise?
V-ing form
could I be individualising? could you be individualising? could she be individualising? could we be individualising? could you be individualising? could they be individualising?
Perfect
could I have individualised? could you have individualised? could she have individualised? could we have individualised? could you have individualised? could they have individualised?
V-ing perfect
could I have been individualising? could you have been individualising? could she have been individualising? could we have been individualising? could you have been individualising? could they have been individualising?
Interro-negative form
Simple form
couldn't I individualise? couldn't you individualise? couldn't she individualise? couldn't we individualise? couldn't you individualise? couldn't they individualise?
V-ing form
couldn't I be individualising? couldn't you be individualising? couldn't she be individualising? couldn't we be individualising? couldn't you be individualising? couldn't they be individualising?
Perfect
couldn't I have individualised? couldn't you have individualised? couldn't she have individualised? couldn't we have individualised? couldn't you have individualised? couldn't they have individualised?
V-ing perfect
couldn't I have been individualising? couldn't you have been individualising? couldn't she have been individualising? couldn't we have been individualising? couldn't you have been individualising? couldn't they have been individualising?